package com.itheima.demo;

/**
 * @author Zhang_Han
 * @version 1.0
 * @date 2020/7/19 16:38
 */
public class Demo_003 {
    //私有构造方法;
    private Demo_003() {}

    public static final Demo_003 ONE = new Demo_003();

    public static final Demo_003 TWO = new Demo_003();

    public static final Demo_003 THREE = new Demo_003();
}
